Extensive post on China’s military modernization. You can definitely tell who wrote which sections of the post! (GSGF has a very distinctive writing style, no?)
Gabe Collins and Andrew Erickson, “China’s New Project 718/J-20 Fighter: Development outlook and strategic implications,” China SignPost™ (洞察中国), No. 18 (17 January 2011). (.pdf)
A great run-down of the large-scale implications of China’s J-20 stealth aircraft. If you read this, you will also learn a lot about the significance of specific jet engine performance parameters required for modern aircraft.